On Wed, 26 Jul 2023 04:31:13 GMT, Sergey Bylokhov <s...@openjdk.org> wrote:
>> Thank you! >> >>>If processing string specifier s, S, or Z, format specification processing >>>stops, a NULL is placed at the beginning of the buffer. >> >> I hope this is not an MS extension/implementation detail since I did not >> find this in any other places. > >>@mrserb this change was to a Windows specific file. > > That change removed the windows specific version of the JLI_Snprintf, and now > we use > `#define JLI_Snprintf snprintf` on all platforms. And my question was about > that "cross-platform" `snprintf`. As linked in the comment above on Windows > it adds the null at the start of the buffer in case of error when a negative > value is returned. But is that specified by the c99? @mrserb we already had the define for non-Windows, this change just made it unconditional. This change only had an affect on Windows where we removed the custom `JLI_Snprintf` and started using `snprintf` the same as all other platforms. ------------- PR Comment: https://git.openjdk.org/jdk/pull/10625#issuecomment-1651039136